Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.186688E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:11:20+0800
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    1 Object 1

    AOE ID 53036
    NORAD ID 53036
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59906
    NORAD ID 59906
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4155 STARLINK-31861
    Time of Closest Approach 2026-09-12T07:08:53+0000
    Collision Probability (Pc) 3.186688E-6
    Conjunction Distance (km) 1.803 km
    Relative Speed (km/s) 11.3 km/s
    Conjunction Risk Parameters R (Radial): 1.134 | I (In-track): 0.942 | C (Cross-track): -1.037
    Collision Risk Index (CRI) 0.45
    X Position (km) 5051.131 5052.894
    Position Y (km) -4582.167 -4581.882
    Position Z (km) 729.245 729.49
    Velocity X (km/s) 2.603 4.179
    Velocity Y (km/s) 3.845 3.781
    Velocity Z (km/s) 6.05 -5.139

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4155 STARLINK-31861
    Semimajor Axis (a) 6858.723 km 6861.193 km
    Eccentricity (e) 0.000108 0.000060
    Inclination (i) 53.1608° 42.9985°
    RAAN 317.6579° 151.2147°
    Perigee Argument 94.0886° 209.7012°
    Mean Anomaly (M) 3.9636° 150.3806°
    Apogee 481.327 km 483.468 km
    Perigee 479.845 km 482.644 km
    Orbit Epoch 2026-09-11T08:00:04+0000 2026-09-11T02:09:23+0000

    STARLINK-4155 & STARLINK-31861 Collision Probability (Pc) Trend

    STARLINK-4155 & STARLINK-31861 Collision Probability (Pc) TrendNot Available

    STARLINK-4155 & STARLINK-31861 Miss Distance (Miss Distance) Trend

    STARLINK-4155 & STARLINK-31861 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4155Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31861Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4155Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31861Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4155

    No nearby objects data